On Thu, Aug 2, 2018 at 1:22 PM MRAB <pyt...@mrabarnett.plus.com> wrote:
> > policy?.mangle_from_ ?? True > > True (??? since lhs is None?) > > > No, it's not 'policy.mangle_from_' that could be None, it's 'policy' > that could be None (i.e. there's no policy). > In my example, there is a policy, and the value of policy.mangle_from_ is set to None. Thus the above should be equivalent to this >>> None ?? True True Unless, of course, I completely misunderstand the way the ?? operator works. This is not the same as the original code, they are not equivalent.
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